Lock and latch.



w. H F. YOUNG.

LUGK'AND LATCH.

' APPLICATION FILED FEB. 12, 1913. 1,1 I Patented Sept 29, 1914.

2 SHEETS-SHEET 1.

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8 v 32L 7 J6 o 26 v 66 guvemtz W. H. F. YOUNG.

LOOK AND LATCH. APPLICATION FILED FEBJZ, 1913A Patented Sept. 29, 1914.

2 SHEETS-SHEET 2.

[1V VE N T OR Altorney WITNESSES 6 0 10 UNITED STATES i aIENT OFFICE.

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Speoiilcation at i'et't'e'r's Pate'i'1t. Paten ted S'ept, 1 9 14, Application filed February 12, 1913. SerialNo. 747,970. 7

To all whom it may concern of which the following is a specification,

reference being had therein to the accompanying drawing. I

My invention relates to improvements in looks and latches, and is an improvement'on my Patent No; 1,025,850.

The object of my invention is to provide *a combined lock and latch used on doors and similar structures, which may, be more readily applied to the door and is adapted I to adjust itself whereby the escutcheon plate rests against the side of the door, .as in the usual form of locks.

Another object of my invention is to pro.- vide a lock of this type in which the knob and all other parts of the lock are carried by the escutcheon plate and which may be more readily applied tothe door.

A still further object of my invention is to provide means whereby the bolt may be held in its outward or retracted position to prevent it from'being moved and also. to provide a positive locking means whereby the bolt may not be forced inwardly by pressure at the outer end thereozt.

In the accompanying drawings: Figure 1 is a horizontal longitudinal sectional view of my improved invention. Fig. 2 is a verti'cal sectional View taken at right angles to Fig. 1. Fig. 3 is a vertical sectional view similar to Fig. 2, showing the latch and bolt in their retracted position. Fig. 4 is a transverse vertical sectional view taken on a line 4:-4 of Big. 2. Fig. '5 is an enlarged perspective view of the bolt locking pawl. Fig. 6 is an inverted perspective view of the looking pawl for locking the bolt in its upward position against inward movement.

Referring now to the drawings, 1 represents the outer. edge of the door-in which is mortised the face plate 2 of the lock. The

face plate 2 is secured to the escutcheon plate 3, by means of screws 4:, passing through the laterally turned ears 5, carried thereby. The said face plate is of a width greater than that of the door, and as shown in Fig. 1, extends beyond the face of the door. Carried by the inner face of the face plate 2 is the 5 barrel 6. in which the lock proper is located.

In locks of the character to which my in- 'ventionrelates, it is understood by those skilled in the art that the latch 7 slides within the bolt 8-, and both the bolt and the latch are adapted to be operated by the inside knob 9. The latch 7 is also retracted by the outside knob 10, the same as the ordinary look now in use. The bolt, however, is not retracted by theou-tside knob, but is operated by the key 11, which in turn operates the key spindle 12, all of which needs .no

further description as this isshown and de-.

scribed in my Patent No. 1,025,850, heretofore-referred to. T

The dead bolt 0 eratin disk-130i my proved look, as cliearl s own in Fig; 2 at the drawing, is prov-i ed with two recesses.

l4 and 15 arranged in an arc of a circle and into which fits a springpressed ball. 16,

mounted in a circular housingl'l', carried by the inner face of the barrel 6. the

bolt 8 is in its inward position, it will be seen that the ball 1'6 is in t e recess 14, carried h the plate 13, and when the bolt is retracted; the ball rides out of the recess 14 and travels over the face of the disk'and enters the recess 15, whereby the bolt is frictionall held.

in either position. In order that the olt 8 cannot be operated by pressure. at its oilter end, as often results in locks of this character when they are forced by asharp ifnstrument, I provide my improved. attachment.

This attachment, as shown in Fig. -1 ofthe drawings, consists of a member 18.,Fai1d is secured to the inner "end 'of t'he bolt :8. by

prevent any lateral inovepivoted a pawl 26, which is adapted to slide upon the outer face 27 of the member 18. The pawl 26 is held in an inward position by means of a leaf-spring 28, which bears against the outer face thereof. The outer end of the pawl is slightlyenlarged and is provided on its inner face with a recess 29, which is provided with a verticalouter wall 30, and a beveled inner wall 31, to correspond to-move the same inwardly. The slot connection between the member 18 and the bolt with the straight face 23 and beveled face 24: of the lug 22 carried by the member 18. The bolt 8, as shown in Fig. l of the drawings, is provided with a cutaway portion 32, into which the outer end of the pawl passes. The vertical wall 30 of the pawl engages the outer straight wall "of the cutaway por- .tion 32, and any pressure on' the outer end of the bolt will cause the pawl to more tightly engage the bolt and it is impossible allows theboltto move inwardly a slight -dist a'nce' without moving said member,

L -a'nd pawl is tightened. Any inward movewhereby the engagement between the bolt ment of the b'olt bymeans of the'knob mechnanism, or the'key mechanism, will cause the i member 18' to move before the bolt 8 begins 'to move which'by means of the beveled wall 24 ofthe lug 22,1 lifts the pawl 26 before the outer end engages thewall of the cutaway portion and thus the bolt is free tomove anwardlyby a' ull on the bolt. The beveled wall'24c of 1 he lug also raises the pawl wandwal l ows the-bolt to be forced outwardly by the key or knob mechanism. a

l The key spindle 12 is extended. inwardly as indicated at 34 and enters a square sleeve.

'83 carriedby thetspindle 9 of the inside This key'spindle 122operates the esleeve '38, Wl'lIlClllin turn operates the memberr39 carrying the disk 40, which engages the in s 41 and 42 of the sliding bolt 8 and :where y the bolt and latch are moved in- ;wardly by the inside knob.

Having thus described my invention,

what-I claim and desire to secure by LettersPat'ent is:

1 In "a'lock of the character described, 'thecombination with a bolt, a disk for operating. saidcbolt and a spring pressed ball engaging the disk for frictionally holding :iit'in'itsa'djusted osition.

2. In a lock 0 the character described, the combination with a sliding bolt, a disk 'zhaving recesses in one face thereof, a spring pressed ball engaging the disk and adapted to enter the recesses, whereby the bolt is --frictionally'held in its outward or retracted position.

1.73; In a lock of the characterdescribed,

1 the combination with ajsliding bolt, of the for operating 1 :1 spring pressed ball within the housing,

adapted to engage the face of the disk and enter the recesses carried thereby, whereby the bolt is frictionally held in its outer or retracted position.

5. In a lock of the character described,

the combination with a sliding bolt, of a disk for operating the said bolt and having recesses in its outer face, a housing adjacent the disk, a spring pressed ball within the housing and adapted to enter the recesses in the face of the disk, and a spring pressed pawl for locking the bolt in its outward position against inward movement by pressure at the outer end of the bolt.

'6. In a lock of the character described,

the combination with a sliding bolt, of a disk, a spring pressed ball within the housing and engaging the disk for frictionally holding it in its adjusted position, a latch carried by the bolt and a pawl engaging the latch and holding the bolt in its outward position against lnward movement by the pressure at the outer end and allowing the 'boltto be readily withdrawn by an inward pull at its inner end. 7. In a lock of the character described, the combination with a sliding bolt, a disk for operating the said bolt, a spring pressed ball engaging the disk and frictionally holding it in its adjusted position, whereby the bolt is held in its inward or outward position.

In testimony whereof I hereunto afiix my signature in the presence of two witnesses.

WILLIAM H. F. YOUNG.

Witnesses:

EARL P. MoCLUNe, LEWIS H. HARPER. 

